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69976 (1998 WD6)
Classification: Main-belt Asteroid          SPK-ID: 2069976
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1773491032620965 6.2719e-08  
a 3.035577867887104 4.1115e-08 AU
q 2.49722085513506 1.9726e-07 AU
i 4.490361891784369 8.7306e-06 deg
node 14.26515124625719 9.8297e-05 deg
peri 66.02722307223402 0.00010178 deg
M 353.3043850963339 3.1519e-05 deg
tp 2457036.429275518404
(2015-Jan-13.92927552)
0.00016955 JED
period 1931.792579579702
5.29
3.9247e-05
1.075e-07
d
yr
n .1863554109304659 3.7861e-09 deg/d
Q 3.573934880639149 4.8407e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      539  
   data-arc span      7533 days (20.62 yr)  
   first obs. used      1994-01-17  
   last obs. used      2014-09-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53912  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 15:14:51  

Additional Information
 Earth MOID = 1.51668 AU 
 T_jup = 3.213 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO267920  

69976 (1998 WD6)          Discovered 1998-Nov-18 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WD6 = 1994 BQ5 = 2000 EM130 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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